Severe Thunderstorms and Heavy Rainfall Across the Midwest into the Great Lakes Region; Significant Heat in the Southwest

Strong to severe storms may produce damaging winds, isolated hail, and a few tornadoes from the Midwest into the lower Great Lakes. These storms may also produce areas of heavy rain and flash flooding. Significant heat will continue across parts of the Desert Southwest into western Texas and north Alaska. Dangerous heat will also build into the Eastern and Central U.S. and continue into next week. Read More >

Hazardous Weather Conditions

Current conditions at

Genesee County Airport (KGVQ)

Lat: 43.03°NLon: 78.17°WElev: 914ft.

Mostly Cloudy

78°F

26°C

Humidity 76%
Wind Speed W 15 mph
Barometer 29.86 in (1010.5 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 18 Jun 10:56 am EDT
Extended Forecast for

4 Miles WSW Lyndonville NY

  • Today

    Today: A chance of showers and thunderstorms, mainly after 5pm.  Partly sunny, with a high near 83. West wind around 8 mph.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 3am, then a chance of showers and thunderstorms after 3am.  Increasing clouds, with a low around 68. Calm wind becoming south 5 to 9 mph after midnight.  Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Chance
    T-storms then
    Showers
    Likely

  • Juneteenth

    Juneteenth: A chance of showers and thunderstorms.  Mostly cloudy, with a high near 76. Southwest wind 14 to 16 mph, with gusts as high as 28 mph.  Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 59. West wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 59 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 79. West wind 6 to 10 mph.

    High: 79 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 65. Southwest wind around 7 mph.

    Low: 65 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 84. Southwest wind 6 to 11 mph.

    High: 84 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of thunderstorms before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am.  Mostly cloudy, with a low around 69. Southwest wind around 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 30%.

    Low: 69 °F

    Chance
    T-storms

  • Sunday

    Sunday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 83. West wind around 8 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 3am, then a chance of showers and thunderstorms after 3am. Increasing clouds, with a low around 68. Calm wind becoming south 5 to 9 mph after midnight. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Juneteenth
A chance of showers and thunderstorms. Mostly cloudy, with a high near 76. Southwest wind 14 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Partly cloudy, with a low around 59. West wind 6 to 10 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 79. West wind 6 to 10 mph.
Friday Night
Partly cloudy, with a low around 65. Southwest wind around 7 mph.
Saturday
Partly sunny, with a high near 84. Southwest wind 6 to 11 mph.
Saturday Night
A chance of thunderstorms before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 69. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 87.
Sunday Night
Mostly clear, with a low around 71.
Monday
Sunny and hot, with a high near 90.
Monday Night
Mostly clear, with a low around 70.
Tuesday
Sunny and hot, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Lyndonville NY
 43.29°N 78.48°W (Elev. 348 ft)
10:36 am EDT Jun 18, 2025
11am EDT Jun 18, 2025-6pm EDT Jun 24, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database